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Precommitment, Transparency and Monetary Policy

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Author Info
Geraats, Petra

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Abstract

Conventional wisdom says that commitment eliminates the inflationary bias of monetary policy. However, this paper shows that the inflation bias can persist even when the central bank commits. A simple model is presented in which the central bank precommits by setting the policy instrument, and the subsequent adjustment of inflation expectations is part of the transmission mechanism. Generally there is still an inflation bias, despite the absence of a time-inconsistency problem. It is caused by uncertainty about the economic disturbances to which the central bank responds. Only perfect transparency about economic information completely eliminates the inflation bias. -- Üblicherweise wird angenommen, dass ein Inflationsbias verschwindet, wenn sich eine Zentralbank glaubwürdig im voraus auf ihre Politik festlegt. Dieses Papier zeigt, dass ein Inflationsbias trotzdem fortbestehen kann. Es wird ein einfaches Modell dargestellt, in dem die Zentralbank im voraus ihre Instrumente festlegt und die anschließende Anpassung der Inflationserwartungen Teil des Transmissionsprozesses ist. Im allgemeinen existiert ein Inflationsbias weiter, obwohl kein Zeitinkonsistenzproblem mehr auftritt. Ursache ist die Unsicherheit über die ökonomischen Störungen, auf die die Zentralbank reagiert. Nur vollkommene Transparenz hinsichtlich der Informationen beseitigt vollständig den Inflationsbias.

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Paper provided by Deutsche Bundesbank, Research Centre in its series Discussion Paper Series 1: Economic Studies with number 2001,12.

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Date of creation: 2001
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Handle: RePEc:zbw:bubdp1:4158

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Find related papers by JEL classification:
E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

References listed on IDEAS
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  1. Barro, Robert J. & Gordon, David B., 1983. "Rules, discretion and reputation in a model of monetary policy," Journal of Monetary Economics, Elsevier, vol. 12(1), pages 101-121. [Downloadable!] (restricted)
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  2. Rogoff, Kenneth, 1985. "The Optimal Degree of Commitment to an Intermediate Monetary Target," The Quarterly Journal of Economics, MIT Press, vol. 100(4), pages 1169-89, November. [Downloadable!] (restricted)
  3. Jon Faust & Lars E.O. Svensson, 1998. "Transparency and credibility: monetary policy with unobservable goals," International Finance Discussion Papers 605, Board of Governors of the Federal Reserve System (U.S.). [Downloadable!]
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  4. McCallum, Bennett T., 1997. "Crucial issues concerning central bank independence," Journal of Monetary Economics, Elsevier, vol. 39(1), pages 99-112, June. [Downloadable!] (restricted)
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  5. Barro, Robert J & Gordon, David B, 1983. "A Positive Theory of Monetary Policy in a Natural Rate Model," Journal of Political Economy, University of Chicago Press, vol. 91(4), pages 589-610, August. [Downloadable!] (restricted)
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  6. Kyle Bagwell, 1992. "Commitment and Observability in Games," Discussion Papers 1014, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
  7. Christina D. Romer & David H. Romer, 2000. "Federal Reserve Information and the Behavior of Interest Rates," American Economic Review, American Economic Association, vol. 90(3), pages 429-457, June. [Downloadable!] (restricted)
  8. Canzoneri, Matthew B, 1985. "Monetary Policy Games and the Role of Private Information," American Economic Review, American Economic Association, vol. 75(5), pages 1056-70, December. [Downloadable!] (restricted)
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  9. Svensson, Lars E O, 1995. "Optimal Inflation Targets, 'Conservative' Central Banks, and Linear Inflation Contracts," CEPR Discussion Papers 1249, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  10. Walsh, Carl E, 1995. "Optimal Contracts for Central Bankers," American Economic Review, American Economic Association, vol. 85(1), pages 150-67, March. [Downloadable!] (restricted)
  11. Barro, Robert J., 1986. "Reputation in a model of monetary policy with incomplete information," Journal of Monetary Economics, Elsevier, vol. 17(1), pages 3-20, January. [Downloadable!] (restricted)
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  12. Cukierman, Alex & Meltzer, Allan H, 1986. "A Theory of Ambiguity, Credibility, and Inflation under Discretion and Asymmetric Information," Econometrica, Econometric Society, vol. 54(5), pages 1099-1128, September. [Downloadable!] (restricted)
  13. Goodhart, Charles A E & Huang, Haizhou, 1998. "Time Inconsistency in a Model with Lags, Persistence, and Overlapping Wage Contracts," Oxford Economic Papers, Oxford University Press, vol. 50(3), pages 378-96, July.
  14. Alan S. Blinder, 1999. "Central Banking in Theory and Practice," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262522608, December.
  15. Persson, Torsten & Tabellini, Guido, 1993. "Designing institutions for monetary stability," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 53-84, December. [Downloadable!] (restricted)
  16. Kydland, Finn E & Prescott, Edward C, 1977. "Rules Rather Than Discretion: The Inconsistency of Optimal Plans," Journal of Political Economy, University of Chicago Press, vol. 85(3), pages 473-91, June. [Downloadable!] (restricted)
  17. Dr. Peter Kenning & Hilke Plassmann, 2004. "NeuroEconomics," Experimental 0412005, EconWPA. [Downloadable!]
  18. Geraats, Petra M, 2000. "Why Adopt Transparency? The Publication of Central Bank Forecasts," CEPR Discussion Papers 2582, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  19. Backus, David & Driffill, John, 1985. "Inflation and Reputation," American Economic Review, American Economic Association, vol. 75(3), pages 530-38, June. [Downloadable!] (restricted)
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  20. Basar, Tamer & Salmon, Mark, 1990. "Credibility and the value of information transmission in a model of monetary policy and inflation," Journal of Economic Dynamics and Control, Elsevier, vol. 14(1), pages 97-116, February. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Courtenay, Roger & Clare, Andrew, 2001. "What can we learn about monetary policy transparency from financial market data?," Discussion Paper Series 1: Economic Studies 2001,06, Deutsche Bundesbank, Research Centre. [Downloadable!]
  2. Sibert, Anne, 2006. "Is Central Bank Transparency Desirable?," CEPR Discussion Papers 5641, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  3. Petra Geraats, 2009. "Trends in Monetary Policy Transparency," CESifo Working Paper Series CESifo Working Paper No. , CESifo Group Munich. [Downloadable!]
  4. Geraats, P.M, 2005. "Transparency of Monetary Policy: Theory and Practice," Cambridge Working Papers in Economics 0549, Faculty of Economics, University of Cambridge. [Downloadable!]
    Other versions:
  5. Daniel L. Thornton, 2003. "Monetary policy transparency: transparent about what?," Working Papers 2002-028, Federal Reserve Bank of St. Louis. [Downloadable!]
    Other versions:
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